They are firm friends and even better enemies, tied by profession,
nationality, defensive duties and tooth-and-claw rivalry. Branislav Ivanovic
and Aleksandar Kolarov are Serbia team-mates, captain and deputy
respectively, who, for the majority of the season, are in vigorous
opposition. Although this week offers a brief opportunity for reflection,
they see little scope for a slackening in intensity as the season draws
towards its climax.

Chelsea, Ivanovic’s club, lead the Barclays Premier League. Manchester City,
Kolarov’s employers, trail them by six points but have played two fewer
games and have a superior goal difference. Liverpool and Arsenal separate
them and